Which of the following is an artery?
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Biology, 22.06.2019 00:00
An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.
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Biology, 22.06.2019 12:00
Can a trait be both polygenic and have multiple alleles? explain why or why not.
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Biology, 22.06.2019 21:00
Which muscle cell structure stores calcium ions that are used to trigger the contraction?
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